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GANSBAAI, SOUTH AFRICA - OCTOBER 19: A Great White Shark is attracted by a lure on the 'Shark Lady Adventure Tour' on October 19, 2009 in Gansbaai, South Africa. The lure, usually a tuna head, is attached to a buoy and thrown into the water in front of the cage with the divers. The waters off Gansbaai are the best place in the world to see Great White Sharks, due to the abundance of prey such as seals and penguins which live and breed on Dyer Island, which lies 8km from the mainland. (Photo by Dan Kitwood/Getty Images)
GANSBAAI, SOUTH AFRICA - OCTOBER 19: A Great White Shark is attracted by a lure on the 'Shark Lady Adventure Tour' on October 19, 2009 in Gansbaai, South Africa. The lure, usually a tuna head, is attached to a buoy and thrown into the water in front of the cage with the divers. The waters off Gansbaai are the best place in the world to see Great White Sharks, due to the abundance of prey such as seals and penguins which live and breed on Dyer Island, which lies 8km from the mainland. (Photo by Dan Kitwood/Getty Images)

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